Operational amplifier precision zero circuit (REF200) diagram

Published:2011/8/30 2:36:00 Author:Jessie | Keyword: Operational amplifier, zero circuit | From:SeekIC

As shown in figure, the circuitis operational amplifier precision zero circuit. In some applications, it requires the disorder voltage of amplifierbeing small, and when the power supply voltage changes, thedisorder voltage is not affected. As shown in figure (a), the circuitcan realize this function. The circuit adopts double current source integrated chip REF200.The internal structure and pin arrangement of the chipare shown in figure (b).



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